##// END OF EJS Templates
HG_REPOSITORIES » LPP » INSTRUMENTATION » USERS » JEANDET » qtcharts
RSS

Clone from http://code.qt.io/qt/qtcharts.git

Adds charts create selection to chartviewer
Adds charts create selection to chartviewer
Michal Klocek - - Load All Authors

File last commit:

r1840:8077b9f83c91
r1840:8077b9f83c91
Show More
window.cpp
450 lines | 14.7 KiB | text/x-c | CppLexer
/ demos / chartviewer / window.cpp
History | Source | Raw |Copy content |Copy permalink
Michal Klocek
Adds chartviewer demo
 r1746 /****************************************************************************
**
** Copyright (C) 2012 Digia Plc
** All rights reserved.
** For any questions to Digia, please use contact form at http://qt.digia.com
**
** This file is part of the Qt Commercial Charts Add-on.
**
** $QT_BEGIN_LICENSE$
** Licensees holding valid Qt Commercial licenses may use this file in
** accordance with the Qt Commercial License Agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia.
**
** If you have questions regarding the use of this file, please use
** contact form at http://qt.digia.com
** $QT_END_LICENSE$
**
****************************************************************************/
Michal Klocek
Adds scroll and zoom to chartviewer
 r1748 #include "window.h"
#include "view.h"
Michal Klocek
Adds charts to chartsviewer
 r1753 #include "charts.h"
Michal Klocek
Adds chartviewer demo
 r1746 #include <QChartView>
#include <QAreaSeries>
#include <QLegend>
#include <QGridLayout>
#include <QFormLayout>
#include <QComboBox>
#include <QSpinBox>
#include <QCheckBox>
#include <QGroupBox>
#include <QLabel>
#include <QGraphicsScene>
#include <QGraphicsGridLayout>
#include <QGraphicsLinearLayout>
#include <QGraphicsProxyWidget>
#include <QGLWidget>
#include <QApplication>
#include <QDebug>
Michal Klocek
Adds charts create selection to chartviewer
 r1840 #include <QMenu>
Michal Klocek
Adds chartviewer demo
 r1746
Michal Klocek
Adds scroll and zoom to chartviewer
 r1748 Window::Window(QWidget* parent) :
QMainWindow(parent),
m_listCount(3),
m_valueMax(10),
m_valueCount(7),
m_scene(new QGraphicsScene(this)),
m_view(0),
Michal Klocek
Add horizontal charts to chartviewer
 r1755 m_dataTable(Model::generateRandomData(m_listCount, m_valueMax, m_valueCount)),
Michal Klocek
Adds scroll and zoom to chartviewer
 r1748 m_form(0),
m_themeComboBox(0),
m_antialiasCheckBox(0),
m_animatedComboBox(0),
m_legendComboBox(0),
m_openGLCheckBox(0),
m_zoomCheckBox(0),
m_scrollCheckBox(0),
m_rubberBand(new QGraphicsRectItem()),
Michal Klocek
Adds charts create selection to chartviewer
 r1840 m_baseLayout(new QGraphicsGridLayout()),
m_menu(new QMenu(this)),
m_state(NoState),
m_currentState(NoState)
Michal Klocek
Adds chartviewer demo
 r1746 {
createProxyWidgets();
connectSignals();
// create layout
QGraphicsLinearLayout *settingsLayout = new QGraphicsLinearLayout();
settingsLayout->setOrientation(Qt::Vertical);
settingsLayout->setSizePolicy(QSizePolicy::Maximum, QSizePolicy::Maximum);
settingsLayout->addItem(m_widgetHash["openGLCheckBox"]);
settingsLayout->addItem(m_widgetHash["antialiasCheckBox"]);
settingsLayout->addItem(m_widgetHash["themeLabel"]);
settingsLayout->addItem(m_widgetHash["themeComboBox"]);
settingsLayout->addItem(m_widgetHash["animationsLabel"]);
settingsLayout->addItem(m_widgetHash["animatedComboBox"]);
settingsLayout->addItem(m_widgetHash["legendLabel"]);
settingsLayout->addItem(m_widgetHash["legendComboBox"]);
Michal Klocek
Adds scroll and zoom to chartviewer
 r1748 settingsLayout->addItem(m_widgetHash["scrollCheckBox"]);
settingsLayout->addItem(m_widgetHash["zoomCheckBox"]);
Michal Klocek
Adds chartviewer demo
 r1746 settingsLayout->addStretch();
Michal Klocek
Adds charts create selection to chartviewer
 r1840 m_baseLayout->addItem(settingsLayout, 0, 3, 2, 1);
Michal Klocek
Adds chartviewer demo
 r1746 //create charts
Michal Klocek
Adds charts to chartsviewer
 r1753 Charts::ChartList list = Charts::chartList();
Michal Klocek
Adds chartviewer demo
 r1746
Michal Klocek
Adds charts create selection to chartviewer
 r1840 for (int i = 0; i < 9 && i < list.size(); ++i) {
Michal Klocek
Adds charts to chartsviewer
 r1753 QChart* chart = list.at(i)->createChart(m_dataTable);
Michal Klocek
Adds charts create selection to chartviewer
 r1840 m_baseLayout->addItem(chart, i / 3, i % 3);
m_chartHash[chart] = i;
}
foreach(Chart* chart, list) {
createMenuAction(m_menu, QIcon(), chart->name(), qVariantFromValue((void *) chart));
Michal Klocek
Adds charts to chartsviewer
 r1753 }
Michal Klocek
Adds chartviewer demo
 r1746
m_form = new QGraphicsWidget();
Michal Klocek
Adds charts create selection to chartviewer
 r1840 m_form->setLayout(m_baseLayout);
Michal Klocek
Adds chartviewer demo
 r1746 m_scene->addItem(m_form);
Michal Klocek
Adds scroll and zoom to chartviewer
 r1748 m_scene->addItem(m_rubberBand);
m_rubberBand->setVisible(false);
Michal Klocek
Adds chartviewer demo
 r1746
Michal Klocek
Adds scroll and zoom to chartviewer
 r1748 m_view = new View(m_scene, m_form);
Michal Klocek
Adds chartviewer demo
 r1746 m_view->setMinimumSize(m_form->preferredSize().toSize());
Michal Klocek
Adds scroll and zoom to chartviewer
 r1748 // Set defaults
m_antialiasCheckBox->setChecked(true);
Michal Klocek
Adds chartviewer demo
 r1746 updateUI();
setCentralWidget(m_view);
}
Michal Klocek
Adds scroll and zoom to chartviewer
 r1748 Window::~Window()
Michal Klocek
Adds chartviewer demo
 r1746 {
}
Michal Klocek
Adds scroll and zoom to chartviewer
 r1748 void Window::connectSignals()
Michal Klocek
Adds chartviewer demo
 r1746 {
Michal Klocek
Fix layout issues with combobxes in chartsviewer
 r1754 QObject::connect(m_themeComboBox, SIGNAL(currentIndexChanged(int)), this, SLOT(updateUI()));
QObject::connect(m_antialiasCheckBox, SIGNAL(toggled(bool)), this, SLOT(updateUI()));
QObject::connect(m_openGLCheckBox, SIGNAL(toggled(bool)), this, SLOT(updateUI()));
QObject::connect(m_zoomCheckBox, SIGNAL(toggled(bool)), this, SLOT(updateUI()));
QObject::connect(m_scrollCheckBox, SIGNAL(toggled(bool)), this, SLOT(updateUI()));
QObject::connect(m_animatedComboBox, SIGNAL(currentIndexChanged(int)), this, SLOT(updateUI()));
QObject::connect(m_legendComboBox, SIGNAL(currentIndexChanged(int)), this, SLOT(updateUI()));
Michal Klocek
Adds chartviewer demo
 r1746 }
Michal Klocek
Adds scroll and zoom to chartviewer
 r1748 void Window::createProxyWidgets()
Michal Klocek
Adds chartviewer demo
 r1746 {
m_themeComboBox = createThemeBox();
m_antialiasCheckBox = new QCheckBox(tr("Anti-aliasing"));
m_animatedComboBox = createAnimationBox();
m_legendComboBox = createLegendBox();
m_openGLCheckBox = new QCheckBox(tr("OpenGL"));
Michal Klocek
Adds scroll and zoom to chartviewer
 r1748 m_zoomCheckBox = new QCheckBox(tr("Zoom"));
m_scrollCheckBox = new QCheckBox(tr("Scroll"));
Michal Klocek
Adds chartviewer demo
 r1746 m_widgetHash["themeComboBox"] = m_scene->addWidget(m_themeComboBox);
m_widgetHash["antialiasCheckBox"] = m_scene->addWidget(m_antialiasCheckBox);
m_widgetHash["animatedComboBox"] = m_scene->addWidget(m_animatedComboBox);
m_widgetHash["legendComboBox"] = m_scene->addWidget(m_legendComboBox);
m_widgetHash["openGLCheckBox"] = m_scene->addWidget(m_openGLCheckBox);
m_widgetHash["themeLabel"] = m_scene->addWidget(new QLabel("Theme"));
m_widgetHash["animationsLabel"] = m_scene->addWidget(new QLabel("Animations"));
m_widgetHash["legendLabel"] = m_scene->addWidget(new QLabel("Legend"));
Michal Klocek
Adds scroll and zoom to chartviewer
 r1748 m_widgetHash["zoomCheckBox"] = m_scene->addWidget(m_zoomCheckBox);
m_widgetHash["scrollCheckBox"] = m_scene->addWidget(m_scrollCheckBox);
Michal Klocek
Adds chartviewer demo
 r1746 }
Michal Klocek
Fix layout issues with combobxes in chartsviewer
 r1754 QComboBox* Window::createThemeBox()
Michal Klocek
Adds chartviewer demo
 r1746 {
Michal Klocek
Fix layout issues with combobxes in chartsviewer
 r1754 QComboBox* themeComboBox = new ComboBox(this);
Michal Klocek
Adds chartviewer demo
 r1746 themeComboBox->addItem("Light", QChart::ChartThemeLight);
themeComboBox->addItem("Blue Cerulean", QChart::ChartThemeBlueCerulean);
themeComboBox->addItem("Dark", QChart::ChartThemeDark);
themeComboBox->addItem("Brown Sand", QChart::ChartThemeBrownSand);
themeComboBox->addItem("Blue NCS", QChart::ChartThemeBlueNcs);
themeComboBox->addItem("High Contrast", QChart::ChartThemeHighContrast);
themeComboBox->addItem("Blue Icy", QChart::ChartThemeBlueIcy);
return themeComboBox;
}
Michal Klocek
Fix layout issues with combobxes in chartsviewer
 r1754 QComboBox* Window::createAnimationBox()
Michal Klocek
Adds chartviewer demo
 r1746 {
Michal Klocek
Fix layout issues with combobxes in chartsviewer
 r1754 QComboBox* animationComboBox = new ComboBox(this);
Michal Klocek
Adds chartviewer demo
 r1746 animationComboBox->addItem("No Animations", QChart::NoAnimation);
animationComboBox->addItem("GridAxis Animations", QChart::GridAxisAnimations);
animationComboBox->addItem("Series Animations", QChart::SeriesAnimations);
animationComboBox->addItem("All Animations", QChart::AllAnimations);
return animationComboBox;
}
Michal Klocek
Fix layout issues with combobxes in chartsviewer
 r1754 QComboBox* Window::createLegendBox()
Michal Klocek
Adds chartviewer demo
 r1746 {
Michal Klocek
Fix layout issues with combobxes in chartsviewer
 r1754 QComboBox* legendComboBox = new ComboBox(this);
Michal Klocek
Adds chartviewer demo
 r1746 legendComboBox->addItem("No Legend ", 0);
legendComboBox->addItem("Legend Top", Qt::AlignTop);
legendComboBox->addItem("Legend Bottom", Qt::AlignBottom);
legendComboBox->addItem("Legend Left", Qt::AlignLeft);
legendComboBox->addItem("Legend Right", Qt::AlignRight);
return legendComboBox;
}
Michal Klocek
Adds scroll and zoom to chartviewer
 r1748 void Window::updateUI()
Michal Klocek
Adds charts create selection to chartviewer
 r1840 {
checkOpenGL();
checkTheme();
checkAnimationOptions();
checkLegend();
checkState();
}
void Window::checkLegend()
{
Qt::Alignment alignment(m_legendComboBox->itemData(m_legendComboBox->currentIndex()).toInt());
if (!alignment) {
foreach (QChart *chart, m_chartHash.keys()) {
chart->legend()->hide();
}
}
else {
foreach (QChart *chart, m_chartHash.keys()) {
chart->legend()->setAlignment(alignment);
chart->legend()->show();
}
}
}
void Window::checkOpenGL()
Michal Klocek
Adds chartviewer demo
 r1746 {
bool opengl = m_openGLCheckBox->isChecked();
bool isOpengl = qobject_cast<QGLWidget*>(m_view->viewport());
if ((isOpengl && !opengl) || (!isOpengl && opengl)) {
m_view->deleteLater();
Michal Klocek
Adds scroll and zoom to chartviewer
 r1748 m_view = new View(m_scene, m_form);
Michal Klocek
Adds chartviewer demo
 r1746 m_view->setViewport(!opengl ? new QWidget() : new QGLWidget());
setCentralWidget(m_view);
}
Michal Klocek
Adds charts create selection to chartviewer
 r1840 bool antialias = m_antialiasCheckBox->isChecked();
if (opengl)
m_view->setRenderHint(QPainter::HighQualityAntialiasing, antialias);
else
m_view->setRenderHint(QPainter::Antialiasing, antialias);
}
void Window::checkAnimationOptions()
{
QChart::AnimationOptions options(
m_animatedComboBox->itemData(m_animatedComboBox->currentIndex()).toInt());
if (!m_chartHash.isEmpty() && m_chartHash.keys().at(0)->animationOptions() != options) {
foreach (QChart *chart, m_chartHash.keys())
chart->setAnimationOptions(options);
}
}
void Window::checkState()
{
bool scroll = m_scrollCheckBox->isChecked();
if (m_state != ScrollState && scroll) {
m_state = ScrollState;
m_zoomCheckBox->setChecked(false);
}
else if (!scroll && m_state == ScrollState) {
m_state = NoState;
}
bool zoom = m_zoomCheckBox->isChecked();
if (m_state != ZoomState && zoom) {
m_state = ZoomState;
m_scrollCheckBox->setChecked(false);
}
else if (!zoom && m_state == ZoomState) {
m_state = NoState;
}
}
void Window::checkTheme()
{
Michal Klocek
Adds chartviewer demo
 r1746 QChart::ChartTheme theme = (QChart::ChartTheme) m_themeComboBox->itemData(
m_themeComboBox->currentIndex()).toInt();
Michal Klocek
Adds charts create selection to chartviewer
 r1840 foreach (QChart *chart, m_chartHash.keys())
Michal Klocek
Adds chartviewer demo
 r1746 chart->setTheme(theme);
QPalette pal = window()->palette();
if (theme == QChart::ChartThemeLight) {
pal.setColor(QPalette::Window, QRgb(0xf0f0f0));
pal.setColor(QPalette::WindowText, QRgb(0x404044));
}
else if (theme == QChart::ChartThemeDark) {
pal.setColor(QPalette::Window, QRgb(0x121218));
pal.setColor(QPalette::WindowText, QRgb(0xd6d6d6));
}
else if (theme == QChart::ChartThemeBlueCerulean) {
pal.setColor(QPalette::Window, QRgb(0x40434a));
pal.setColor(QPalette::WindowText, QRgb(0xd6d6d6));
}
else if (theme == QChart::ChartThemeBrownSand) {
pal.setColor(QPalette::Window, QRgb(0x9e8965));
pal.setColor(QPalette::WindowText, QRgb(0x404044));
}
else if (theme == QChart::ChartThemeBlueNcs) {
pal.setColor(QPalette::Window, QRgb(0x018bba));
pal.setColor(QPalette::WindowText, QRgb(0x404044));
}
else if (theme == QChart::ChartThemeHighContrast) {
pal.setColor(QPalette::Window, QRgb(0xffab03));
pal.setColor(QPalette::WindowText, QRgb(0x181818));
}
else if (theme == QChart::ChartThemeBlueIcy) {
pal.setColor(QPalette::Window, QRgb(0xcee7f0));
pal.setColor(QPalette::WindowText, QRgb(0x404044));
}
else {
pal.setColor(QPalette::Window, QRgb(0xf0f0f0));
pal.setColor(QPalette::WindowText, QRgb(0x404044));
}
foreach(QGraphicsProxyWidget* widget , m_widgetHash) {
widget->setPalette(pal);
}
m_view->setBackgroundBrush(pal.color((QPalette::Window)));
Michal Klocek
Adds scroll and zoom to chartviewer
 r1748 m_rubberBand->setPen(pal.color((QPalette::WindowText)));
}
void Window::mousePressEvent(QMouseEvent *event)
{
if (event->button() == Qt::LeftButton) {
m_origin = event->pos();
Michal Klocek
Adds charts create selection to chartviewer
 r1840 m_currentState = NoState;
Michal Klocek
Adds scroll and zoom to chartviewer
 r1748
Michal Klocek
Adds charts create selection to chartviewer
 r1840 foreach (QChart *chart, m_chartHash.keys()) {
Michal Klocek
Adds scroll and zoom to chartviewer
 r1748
QRectF geometryRect = chart->geometry();
QRectF plotArea = chart->plotArea();
plotArea.translate(geometryRect.topLeft());
if (plotArea.contains(m_origin)) {
Michal Klocek
Adds charts create selection to chartviewer
 r1840 m_currentState = m_state;
if (m_currentState == NoState) {
showMenu(chart);
}
Michal Klocek
Adds scroll and zoom to chartviewer
 r1748 break;
}
}
Michal Klocek
Adds charts create selection to chartviewer
 r1840 if (m_currentState == ZoomState) {
Michal Klocek
Adds scroll and zoom to chartviewer
 r1748 m_rubberBand->setRect(QRectF(m_origin, QSize()));
m_rubberBand->setVisible(true);
}
Michal Klocek
Adds charts create selection to chartviewer
 r1840
Michal Klocek
Adds scroll and zoom to chartviewer
 r1748 event->accept();
}
if (event->button() == Qt::RightButton) {
m_origin = event->pos();
Michal Klocek
Adds charts create selection to chartviewer
 r1840 m_currentState = m_state;
Michal Klocek
Adds scroll and zoom to chartviewer
 r1748 }
}
void Window::mouseMoveEvent(QMouseEvent *event)
{
Michal Klocek
Adds charts create selection to chartviewer
 r1840 if ( m_currentState != NoState) {
Michal Klocek
Adds scroll and zoom to chartviewer
 r1748
Michal Klocek
Adds charts create selection to chartviewer
 r1840 foreach (QChart *chart, m_chartHash.keys()) {
Michal Klocek
Adds scroll and zoom to chartviewer
 r1748
QRectF geometryRect = chart->geometry();
QRectF plotArea = chart->plotArea();
plotArea.translate(geometryRect.topLeft());
if (plotArea.contains(m_origin)) {
Michal Klocek
Adds charts create selection to chartviewer
 r1840 if (m_currentState == ScrollState) {
Michal Klocek
Adds scroll and zoom to chartviewer
 r1748 QPointF delta = m_origin - event->pos();
chart->scroll(delta.x(), -delta.y());
}
Michal Klocek
Adds charts create selection to chartviewer
 r1840 if (m_currentState == ZoomState && plotArea.contains(event->pos())) {
Michal Klocek
Adds scroll and zoom to chartviewer
 r1748 m_rubberBand->setRect(QRectF(m_origin, event->pos()).normalized());
}
break;
}
}
Michal Klocek
Adds charts create selection to chartviewer
 r1840 if(m_currentState == ScrollState) m_origin = event->pos();
Michal Klocek
Adds scroll and zoom to chartviewer
 r1748 event->accept();
}
Michal Klocek
Adds chartviewer demo
 r1746 }
Michal Klocek
Adds scroll and zoom to chartviewer
 r1748 void Window::mouseReleaseEvent(QMouseEvent *event)
{
if (event->button() == Qt::LeftButton) {
Michal Klocek
Adds charts create selection to chartviewer
 r1840 if (m_currentState == ZoomState) {
Michal Klocek
Adds scroll and zoom to chartviewer
 r1748 m_rubberBand->setVisible(false);
Michal Klocek
Adds charts create selection to chartviewer
 r1840 foreach (QChart *chart, m_chartHash.keys()) {
Michal Klocek
Adds scroll and zoom to chartviewer
 r1748
QRectF geometryRect = chart->geometry();
QRectF plotArea = chart->plotArea();
plotArea.translate(geometryRect.topLeft());
if (plotArea.contains(m_origin)) {
QRectF rect = m_rubberBand->rect();
Michal Klocek
Fix zoom in chartviewer
 r1751 rect.translate(-geometryRect.topLeft());
Michal Klocek
Adds scroll and zoom to chartviewer
 r1748 chart->zoomIn(rect);
break;
}
}
}
Michal Klocek
Adds charts create selection to chartviewer
 r1840
m_currentState = NoState;
Michal Klocek
Adds scroll and zoom to chartviewer
 r1748 event->accept();
}
if (event->button() == Qt::RightButton) {
Michal Klocek
Adds charts create selection to chartviewer
 r1840 if (m_currentState == ZoomState) {
foreach (QChart *chart, m_chartHash.keys()) {
Michal Klocek
Adds scroll and zoom to chartviewer
 r1748
QRectF geometryRect = chart->geometry();
QRectF plotArea = chart->plotArea();
plotArea.translate(geometryRect.topLeft());
if (plotArea.contains(m_origin)) {
QRectF rect = m_rubberBand->rect();
chart->zoomOut();
break;
}
}
}
}
}
Michal Klocek
Fix layout issues with combobxes in chartsviewer
 r1754
void Window::comboBoxFocused(QComboBox *combobox)
{
foreach(QGraphicsProxyWidget* widget , m_widgetHash) {
if(widget->widget()==combobox)
widget->setZValue(2.0);
else
widget->setZValue(0.0);
}
}
Michal Klocek
Adds charts create selection to chartviewer
 r1840
void Window::showMenu(QChart* qchart)
{
QAction *chosen = m_menu->exec(QCursor::pos());
if (chosen) {
Chart* chart = (Chart *) chosen->data().value<void *>();
int index = m_chartHash[qchart];
m_baseLayout->removeItem(qchart);
m_chartHash.remove(qchart);
QChart* newChart = chart->createChart(m_dataTable);
m_baseLayout->addItem(newChart, index / 3, index % 3);
m_chartHash[newChart] = index;
delete qchart;
updateUI();
}
}
QAction* Window::createMenuAction(QMenu *menu, const QIcon &icon, const QString &text,
const QVariant &data)
{
QAction *action = menu->addAction(icon, text);
action->setCheckable(false);
action->setData(data);
return action;
}